3954856 has 32 divisors (see below), whose sum is σ = 7879680. Its totient is φ = 1857600.

The previous prime is 3954851. The next prime is 3954859. The reversal of 3954856 is 6584593.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3954851) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8961 + ... + 9391.

It is an arithmetic number, because the mean of its divisors is an integer number (246240).

Almost surely, 2^3954856 is an apocalyptic number.

It is an amenable number.

3954856 is a deficient number, since it is larger than the sum of its proper divisors (3924824).

3954856 is a wasteful number, since it uses less digits than its factorization.

3954856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 505 (or 501 counting only the distinct ones).

The product of its digits is 129600, while the sum is 40.

The square root of 3954856 is about 1988.6819755808. The cubic root of 3954856 is about 158.1406641359.

The spelling of 3954856 in words is "three million, nine hundred fifty-four thousand, eight hundred fifty-six".